Current study examines the methods that can be used for the treatment of diabetes during the Ramadan fasting time. Regarding this issue several other themes – related with the specific subject - are going to be presented and evaluated. Under these terms, this paper is going to extensively refer to its main subject – as stated above – presenting at the same time the main aspects and the particular characteristics of a series of issues, which could be summarized to the following ones: a) What is diabetes and which are its main types? b) which are the most known – and the most developed – methods for the treatment of diabetes, c) is there any relationship between the development of diabetes and the nutrition habits of the population, d) the nutrition followed during fasting periods, especially the Ramadan, has been proved to have any impact on the progress of the treatment of diabetes and if yes, which are the main aspects of this impact? e) is the medical staff prepared and trained appropriately in order to handle effectively the treatment of diabetes? A special reference to the competence of medical staff to adapt the diabetes’ treatment to the nutrition ‘ethics’ of the Ramadan fasting period is going to be made at this point, f) which are the prospects for the development of diabetes’ treatment during the Ramadan fasting period (reference to experiments made in the relevant field).